The aortic valve prevents backflow of blood from entering the left ventricle during ventricular diastole.
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Q78: The term systole means
A)closure
B)conduction
C)contraction
D)opening
E)relaxation
Q79: If the EDV were held constant, increased
Q80: During heart failure,
A)the Frank-Starling curve shifts to
Q81: Diastole refers to the period of cardiac
Q82: Oxygenated blood flows through semilunar valves, whereas
Q84: The function of the chordae tendineae and
Q85: Atrial systole is responsible for the first
Q86: An action potential spreads through the atria
Q87: The refractory period in cardiac muscle is
Q88: The only point of electrical contact between
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